There are 25 previous versions of this script.
// ==UserScript==
// @name OperaFix image drag fix
// @version 0.2.6
// @description Version 0.2.6 (OperaFixイメージドラッグ)
// @namespace OperaFix image drag fix (cc) http://creativecommons.org/licenses/by-nc/2.1/jp/deed.ja
// @author Kurojitosan (SpecialThanks usopion)
// @include http://*
// @exclude http://himado.in/*
// @exclude http://*.himado.in/*
// @exclude http://*.ameba.jp/ucs/*
// @exclude http://zoome.jp/*/diary/*
// @exclude http://*.dailymotion.com/*
// @exclude http://acid3.acidtests.org/*
// ==/UserScript==
if(0<=navigator.userAgent.indexOf('Opera')){
var backscreen = document.createElement('div');
backscreen.style.zIndex = '-2147483648';
backscreen.style.position = 'fixed';
backscreen.style.top = '0';
backscreen.style.bottom = '0';
backscreen.style.left = '0';
backscreen.style.right = '0';
backscreen.style.margin = '0';
backscreen.style.padding = '0';
backscreen.style.border = '0';
document.body.appendChild(backscreen);
}